Unofficial Notice of Invitation to Bid (NIB)

Chino Hills City is seeking bids from qualified and interested contractors for the following project titled, Biological Monitoring Services, identified under Solicitation ID: -. Work is to be performed near 14000 City Center Dr, Chino Hills, CA 91709, USA in San Bernardino County.

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General Project Description

The City of Chino Hills is soliciting proposals for on-call biological monitoring services to ensure compliance with state and federal environmental regulations for various drainage facilities and other areas within the City. The services cover approximately 18 drainage facilities, totaling 4.1 acres, and aim to protect threatened and/or endangered species, nesting birds, and sensitive habitats, including California Walnut Woodland, Coastal Sage Scrub, Oak Woodland, and Freshwater Emergent Wetland. The scope of work involves reviewing project-related documents, identifying and minimizing environmental impacts, providing on-site guidance to City staff and contractors, conducting pre-construction surveys, documenting observations and recommendations, reporting non-compliance to regulatory agencies, and preparing annual summary reports. The monitoring is expected for areas where activities like herbicide application, vegetation removal, clearing, and trimming around inlets and drainage infrastructure will occur to maintain proper operation and drainage.

General Bid Items

Quantity: - Unit: - Work Item: Review of project documents related to the Citywide Drainage Facilities Project, including ACOE Permit SPL-2012-00167-SLP, CDFW Permit 1600-2011-0274-R6, RWQCB Permit 362012-08, and Habitat Mitigation and Monitoring Plan (HMMP) 2013.
Quantity: - Unit: - Work Item: Identification of avoidance and minimization impacts to protected species and habitats.
Quantity: - Unit: - Work Item: Provision of on-site guidance to City Staff and Contractors to avoid impacts and maintain compliance with environmental laws and regulations.
Quantity: - Unit: - Work Item: Conduct pre-construction surveys for threatened and/or endangered species, nesting birds, and sensitive habitats; determine appropriate buffer zones as required; coordinate with the City Representative and Contractor regarding avoidance measures.
Quantity: - Unit: - Work Item: Document findings, species observed, habitat conditions, and activity.
Quantity: - Unit: - Work Item: Document methods, results, and recommendations in survey reports as needed.
Quantity: - Unit: - Work Item: Immediately report any non-compliance to the City Representative and appropriate Regulatory Agencies.
Quantity: - Unit: - Work Item: Provide an annual report summarizing all survey and monitoring activities along with compliance status.

NAICS Classification

Environmental Consulting Services, All Other Professional, Scientific, and Technical Services, Other Scientific and Technical Consulting Services

Records and Due Date

This bid opportunity was entered into BidAmerica on December 19, 2025, and was last updated on January 13, 2026. All bids and/or proposals are due on January 15, 2026.

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Legal Disclaimer

All bidders are responsible for reviewing and verifying all official bid documentation directly from the issuing agency. BidAmerica aggregates public bid information for advertisement purposes for contractors and government agencies convenience. This Notice of Invitation to Bid is for reference purposes only and is not an official or complete representation of any documents issued by Chino Hills City. BidAmerica does not guarantee the accuracy, completeness, or timeliness of any information displayed and shall not be held liable for any errors, omissions, misinterpretations, or damages resulting from reliance on this summary. Contractors must obtain all official information—including plans, specifications, addenda, deadlines, submission requirements, qualifications, and bidding conditions—directly from Chino Hills City prior to bidding.